Alright, let's work through 7645 times 1457 step by step
7645 × 1457 = 1457 × (7645)
+ 1457 × 5 which equals 7285
+ 1457 × 40 which equals 58280
+ 1457 × 600 what gives us 874200
+ 1457 × 7000 producing 10199000

= 11138765
